Fullerton, California Weather:
Thursday, June 4, 2026
Cloudy Weather
Day 72°
Night 57°
Precipitation 0 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (June 4, 2025)
Cloudy Weather

Day

73°

Night

59°

Wind

7 mph

UV Index

11

Precipitation

3 %